At first I though, what is this, just someone punching keys on their lap top? Then I read your thread and decided to look it up, and her name is for real, I just can't. There was another thread about this a week ago.
It's not too bad in her case because her surname is relatively short. So they just have to say "advantage Companion". Now if Kaheaokaleonahenahemaikalani was her surname, that would be a lot more challenging for the umpires and they might have to ask her if she could give them an acceptable truncated version. Otherwise, as her first name, perhaps they would say her full name at only the beginning of the match one time, and afterwards use the surname only.
if i was an umpire i would just refuse to spell this name.There is a limit to hard to spell native names.Besides ,i have read an article about names in Madagascar which are similar to this,and even natives there have hard time spelling them and newer generations try to shorten them.